acute lower GI haemorrhage |
<gastroenterology> Typical presentation: Sudden onset of brisk rectal bleeding without blood in gastric aspirate Diagnostic considerations: diverticulosis, angiodysplasia, ischemic colitis, inflammatory bowel disease (rarely), polyps are usually present, carcinoma causing a chronic bleed, haemorrhoids.
(12 Dec 1998) |
adrenal haemorrhage |
<radiology> Neonate, right more common, 10% bilateral, birth trauma, hypoxia, septicaemia, congenital syphilis, haemorrhagic disorders (haemophilia, etc.) adult, septicaemia (Waterhouse-Friderichsen syndrome), tumour, trauma Notes: usually resolves in 4-6 weeks, adrenal insufficiency rare, even if bilateral, may calcify
(12 Dec 1998) |
arteries of cerebral haemorrhage |
Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum.
Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries.
(05 Mar 2000) |
brainstem haemorrhage |
Haemorrhage into the pons or mesencephalon, often secondary to brainstem distortion by transtentorial herniations due to rapidly expanding intracranial lesions.
(05 Mar 2000) |
gastric haemorrhage |
Haemorrhage from the stomach.
Synonym: gastric haemorrhage.
Origin: Gastro-+ G. Rhegnymi, to burst forth
(05 Mar 2000) |
gastrointestinal haemorrhage |
Bleeding in the gastrointestinal tract.
(12 Dec 1998) |
parenchymatous haemorrhage |
Bleeding into the substance of an organ.
(05 Mar 2000) |
gingival haemorrhage |
The flowing of blood from the marginal gingival area, particularly the sulcus, seen in such conditions as gingivitis, marginal periodontitis, injury, and ascorbic acid deficiency.
(12 Dec 1998) |
renal haemorrhage |
Gross haematuria, the source of which is in the kidney.
(05 Mar 2000) |
vitreous haemorrhage |
Haemorrhage into the vitreous body.
(12 Dec 1998) |
cerebral haemorrhage |
A sudden and abrupt bleeding into the tissue of the brain. Usually occurs as the result of a weakened artery from the effects of high blood pressure and atherosclerosis.
(27 Sep 1997) |
retrobulbar haemorrhage |
Haemorrhage within the orbital cavity, posterior to the eyeball.
(12 Dec 1998) |
petechial haemorrhage |
Capillary haemorrhage into the skin that forms petechiae.
Synonym: punctate haemorrhage.
(05 Mar 2000) |
choroid haemorrhage |
Haemorrhage from the vessels of the choroid.
(12 Dec 1998) |
colonic diverticular haemorrhage |
<radiology> Not related to diverticulitis, incidence: 3-47% of diverticulosis, location: 75% located in ascending colon (larger neck and dome of diverticula), massive painless rectal hemmorhage, extravasation of radionuclide tracer, angiographic contrast pooling in bowel lumen, Treatment: transcatheter infusion of vasoconstrictive agents (Pitressin), embolization (Gelfoam) see: diverticular disease of colon
(12 Dec 1998) |